EP 1208094 B1 20041103 - METHOD FOR PRODUCING GAMMA-BUTYROLACTONE
Title (en)
METHOD FOR PRODUCING GAMMA-BUTYROLACTONE
Title (de)
VERFAHREN ZUR HERSTELLUNG VON GAMMA-BUTYROLACTON
Title (fr)
PROCEDE DE PREPARATION DE GAMMA-BUTYROLACTONE
Publication
Application
Priority
- DE 19941569 A 19990901
- EP 0008216 W 20000823
Abstract (en)
[origin: US6521763B1] In a process for preparing GBL by reaction of 1,4 butanediol over a copper catalyst, use is made of a 1,4 butanediol-containing reaction mixture which comprises further alcohols other than 1,4-butanediol and water.
IPC 1-7
IPC 8 full level
C07D 307/33 (2006.01)
CPC (source: EP KR US)
B01J 23/72 (2013.01 - KR); C07C 31/207 (2013.01 - KR); C07D 307/33 (2013.01 - EP KR US)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
US 6521763 B1 20030218; AT E281444 T1 20041115; DE 19941569 A1 20010308; DE 50008528 D1 20041209; EP 1208094 A2 20020529; EP 1208094 B1 20041103; JP 2003508392 A 20030304; JP 4625219 B2 20110202; KR 100615496 B1 20060825; KR 20020027577 A 20020413; MY 120629 A 20051130; WO 0116126 A2 20010308; WO 0116126 A3 20010830
DOCDB simple family (application)
US 6977102 A 20020228; AT 00964033 T 20000823; DE 19941569 A 19990901; DE 50008528 T 20000823; EP 0008216 W 20000823; EP 00964033 A 20000823; JP 2001519693 A 20000823; KR 20027002415 A 20020225; MY PI20003832 A 20000821